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fan: Scale fan speed requests between 0 and max_power

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If the fan's max power is limited by the config, then scale speed
requests between 0 and max_power.  This makes more sense for typical
g-code fan speeds.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2018-04-20 13:15:03 -04:00
parent 48e9fa04e7
commit 85e6cd865c
4 changed files with 9 additions and 8 deletions
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5
config/example.cfg
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@@ -224,7 +224,10 @@ pin: ar9
# enabled for extended periods, while a value of 0.5 would allow the
# pin to be enabled for no more than half the time. This setting may
# be used to limit the total power output (over extended periods) to
# the fan. The default is 1.0.
# the fan. If this value is less than 1.0 then fan speed requests
# will be scaled between zero and max_power (for example, if
# max_power is .9 and a fan speed of 80% is requested then the fan
# power will be set to 72%). The default is 1.0.
#cycle_time: 0.010
# The amount of time (in seconds) for each PWM power cycle to the
# fan. It is recommended this be 10 milliseconds or greater when